| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/14/12 | Definitive proxy statements |
|
47 | ||
| 03/14/12 | Annual report pursuant to Section 13 and 15(d) |
|
   |
78 | |
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/10/12 | Initial statement of beneficial ownership of securities |
|
1 |
